Polyethylene Flange Plug Cap 16mm Lavender Globe Scientific Pack 1000

Description

Product Overview

The Globe Scientific Polyethylene Flange Plug Cap is engineered from high‑grade polyethylene, a material celebrated for its chemical resistance, flexibility, and durability. Finished in a subtle lavender shade, the cap provides a visual cue that helps laboratory personnel quickly identify the correct size and type among a range of consumables. Designed specifically for 16 mm test tubes, the flange creates a secure, leak‑proof seal that safeguards valuable samples from exposure to ambient air, moisture, and contaminants.

Manufactured in Globe Scientific’s state‑of‑the‑art facility, each cap undergoes rigorous quality‑control testing, including dimensional verification, tensile strength assessment, and chemical compatibility checks. The production process adheres to ISO 9001 standards, ensuring that every unit meets exacting specifications for wall thickness, flange geometry, and surface finish. This meticulous approach minimizes the risk of deformation or cracking during routine laboratory handling, such as pipetting, vortexing, or brief exposure to elevated temperatures.

Compatibility is a cornerstone of the design. The 16 mm flange aligns precisely with the standard mouth diameter of most laboratory test tubes, including those made from glass, polypropylene, and other common substrates. The internal bore is smooth‑finished to reduce friction, allowing users to insert and remove the cap with a single, confident motion. When seated, the flange distributes pressure evenly around the tube opening, preventing localized stress that could otherwise lead to micro‑cracks or breakage.</n

Packaging dimensions of 13.6 × 9.8 × 3 inches and a net weight of 2.05 lb make the 1,000‑cap bulk pack easy to store on laboratory shelves or in inventory cabinets. The compact box is designed for efficient stacking, reducing the footprint in high‑density storage environments. Each box includes a clear label that lists the product model (116152L), color, and quantity, facilitating quick inventory checks and re‑ordering.

Beyond performance, the caps meet safety and regulatory requirements for laboratory consumables. They are free from hazardous additives such as phthalates and BPA, and they comply with ASTM D4236 standards for chemical safety. The lavender coloration is achieved using approved, non‑toxic dyes that do not leach into samples, preserving the integrity of analytical results. This combination of material excellence, precise engineering, and compliance makes the caps a reliable choice for research, quality‑control, and educational laboratories.

Usage

These caps excel in a variety of laboratory settings, from routine sample storage to more demanding applications such as centrifugation and short‑term heating. In microbiology labs, the airtight seal prevents oxygen ingress, maintaining anaerobic conditions for culture growth. In analytical chemistry, the caps protect volatile compounds from evaporative loss, ensuring accurate quantitation during subsequent analysis.

When used in centrifuge tubes, the flange design distributes centrifugal forces evenly, reducing the likelihood of cap ejection or tube rupture. The polyethylene material tolerates brief exposure to temperatures up to 120 °C, allowing the caps to be used in heat‑block incubations or brief autoclave cycles without deformation. For best results, users should avoid prolonged exposure to temperatures exceeding the material’s glass transition point, as this could compromise seal integrity.

Proper insertion technique enhances performance and longevity. Users should align the cap’s flange with the tube’s rim, press gently until the cap seats fully, and verify that the flange sits flush against the tube opening. For removal, a slight twist or lift is sufficient; the low‑friction interior surface prevents the cap from sticking, even after repeated use. Routine cleaning with mild detergent and water is recommended, followed by thorough drying before re‑application.

Why Choose Us

Globe Scientific has built a reputation for delivering laboratory consumables that combine reliability with cost‑effectiveness. The company’s long history in the scientific supply market means that each product benefits from decades of expertise in material science, manufacturing precision, and customer feedback. By choosing these caps, laboratories gain access to a proven solution that reduces the risk of sample loss, contamination, and equipment damage.

Bulk packaging of 1,000 caps delivers significant savings compared with purchasing smaller quantities. The economies of scale translate into lower per‑unit costs, allowing institutions to allocate budget resources to other critical areas such as instrumentation or reagents. Additionally, the consistent quality across the entire batch eliminates variability that can arise from mixed‑source consumables, streamlining standard operating procedures and documentation.

Globe Scientific stands behind its products with responsive customer support and a clear return policy. Should a user encounter any issues—whether related to fit, material performance, or packaging—dedicated technical specialists are available to provide troubleshooting guidance, replacement parts, or credit where appropriate. This commitment to service reinforces confidence in the product’s long‑term value.

Key Features

• Premium polyethylene construction offers superior chemical resistance and flexibility.
• Lavender color provides easy visual identification and reduces cross‑contamination risk.
• Precision 16 mm flange ensures a tight, leak‑proof seal on standard test tubes.
• Bulk pack of 1,000 caps delivers cost savings and consistent inventory management.
• Dedicated customer support and hassle‑free return policy for peace of mind.

FAQ

Can these caps be used with glass test tubes?

Yes, the 16 mm flange is compatible with most standard glass test tubes as well as polymer tubes, providing a secure seal without damaging the tube wall.

Are the caps safe for use with biological samples?

Absolutely. The caps are made from BPA‑free polyethylene and use non‑toxic lavender dye, ensuring they do not leach harmful substances into biological specimens.

What temperature range can the caps tolerate?

The polyethylene material can safely withstand short‑term exposure up to 120 °C, making the caps suitable for most laboratory heating applications, though prolonged high‑temperature exposure should be avoided.

How should the caps be cleaned and reused?

Clean the caps with a mild detergent and warm water, rinse thoroughly, and allow them to air‑dry completely before re‑application. This routine maintains the cap’s performance over many cycles.

Is there a warranty or guarantee for these caps?

Globe Scientific offers a satisfaction guarantee; if any caps are found to be defective or not meeting the described specifications, customers can contact support for replacement or credit.